Jan-Krzysztof Duda vs Magnus Carlsen (2015)

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Jan-Krzysztof Duda vs Magnus Carlsen
Qatar Masters (2015), Doha QAT, rd 4, Dec-23
Sicilian Defense: Najdorf. Opocensky Variation (B92) · 0-1

White to move.

ANALYSIS [x]

Notes by Stockfish 9 v010218 (minimum 6s/ply)9.Bxf6 was played in G Antal vs Navara, 1995 (1-0) 12.a3 Nc6 13.Rd1 Be7 14.Nd5 Bg5 15.Qd3 O-O 16.g3 Be6 = +0.39 (28 ply) ⩱ -0.62 (26 ply)better is 28...a5 29.a3 axb4 30.Nxb4 Rxb4 31.axb4 Qxb4 32.Rf2 Rb8 ⩱ -0.57 (28 ply)= 0.00 (34 ply) after 29.Qxf7+ Kh8 30.Rd2 Bxb2 31.Kxb2 Rxb4+ 32.Ka1 Rxc2 better is 29...Qc7 30.Qf2 a5 31.a3 Qb7 32.g3 Rb8 33.Qe2 Rxe4 34.Qf2 = -0.44 (26 ply)= +0.11 (30 ply) 32.b5 Qxe4 33.Qf5 Rb8 34.Qxe4 Rxe4 35.Re1 Rxe1+ 36.Nxe1 = +0.08 (29 ply) ⩱ -1.15 (33 ply) 34.Nd3 Bc3 35.Re1 Qb7 36.Nb4 Bxd2 37.Qxd2 Re4 38.g3 Rce8 ∓ -1.54 (31 ply) ∓ -2.37 (30 ply) 38.Qe2 Ra8+ 39.Kb1 Qa5 40.Qf3 Qa2+ 41.Kc2 Bf6 42.Rc1 Bg5 -+ -2.72 (29 ply)-+ -13.70 (28 ply) after 38...Ra8+ 39.Kb1 Qe4+ 40.Rcc2 Bxb2 41.Re2 Qa4 42.Re8+ -+ mate-in-16 after 42...Qb4 43.Rdd2 Bd4+ 44.Rb2 Bxb2 45.Kc2 Qa4+; 43.Kc1 Be3+ 44.Rd2 Bxd2+ 45.Kc2 Qe5 46.Rxd2 Qb2+ 47.Kd1 -+ -8.87 (32 ply)0-1

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1

FEN COPIED

Given 15 times; par: 59 [what's this?]

Annotations by Stockfish (Computer). [35434 more games annotated by Stockfish]

explore this opening	find similar games	72 more Duda/Carlsen games
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Dec-23-15		The17thPawn: Systematic dismantling by the champ. Looks like the reputed slow start is in his rear view mirror.

Dec-23-15		patzer2: White was fine up until 32. a3? axb3 . Instead the simple 32. bxa3 = holds the position. The clearly decisive error was 38. Rc1?, allowing 38...Qa4+ . Instead, White can make a fight of it with 38. Qe2 when play might continue Qa4+ 39. Kb1 Ra8 40. Qf3 Qa2+ 41. Kc2 Rc8+ 42. Kd1 Bxb2 43. g3 Qa4+ 44. Ke2 Bc3 45. Rfd1 Bxd2 46. Rxd2 Qb6 (-1.13 @ 22 depth, Deep Fritz 14).

Dec-23-15		EhsanBalani: What will happen after 43.Ka2 Qa5+ 44.Qa3 ...?

Dec-23-15		patzer2: Perhaps 34. Rxb4! would make for a good Friday puzzle, where some of us would get the first move but then get lost in the complicated follow-up.

Dec-23-15		patzer2: <EhsanBalani> 43. Ka2 Qa5+ 44.Qa3 Qd5+ 45.Rc4 Qxc4+ 46.Qb3 Qxb3#

Dec-23-15		talwnbe4: amazing sac.. after 38. Qe2 38.. Ra8+ 39. Kb1 Qa4 40.Qf3 Qa2+ 41. Kc2 Rc8+ 42. Kd1 Bf6 43. h4 Qa4+ 44. Ke1 Re8+ 45. Re2 Bxh4+ 46. g3 Bxg3+ 47. Qxg3 Qa1+ 48. Kf2 Rf8+ white is done. 5.xx (Stockfish)

Dec-23-15		talwnbe4: best line (Stockfish) after 38. Qe2 Qa4+ 39. Kb1 Ra8 40. Qf3 Qa2+ 41. Kc2 Bf6 42. Rc1 Bg5 43. Qb7 Rf8 44. Qb4 2.8

Dec-23-15		Marmot PFL: Good to see the champ playing something besides the Berlin.

Dec-23-15		310metaltrader: it is truly amazing - white's king is in deeper turd than hillary clinton's pant suits, while the black king is safer than hillary clinton in the clutches of the mainstream media.

Dec-23-15		tamar: Not Duda's day.

Dec-23-15		Gregor Samsa Mendel: Carlsen plays the Najdorf strong, Duda, Duda, Carlsen thinks you'll play it wrong, Oh, Duda-day.

Dec-23-15		Gato: Komodo finds 42 ... Qb4 as the shortest way to the mate (mate in 16).

Dec-23-15		shintaro go: Duda, where's my Car(lsen)?

Dec-23-15		JointheArmy: <shintaro go> Brilliant.

Dec-24-15		patzer2: <talwnbe4> Thanks for the Stockfish analysis of 38. Qe2. Looks like 38. Qe2 does indeed lose after 38. Qe2 Ra8+ 39. Kb1 Qa4 40. Qf3 Qa2+ 41. Kc2 Rc8+ 42. Kd1 Bf6 43. h4 [43. Qd5 Qb1+ 44. Ke2 Re8+ 45. Kf2 Bh4+ 46. g3 Rf8+ 47. Ke3 Qxf1 48. gxh4 Re8+ 49. Kd4 Qh3 (-5.51 @ 21 depth, Deep Fritz 14)] 43...Qa1+ 44. Ke2 Re8+ 45. Kd3 Qa6+ 46. Kc2 Qa2 47. Qc6 Qxb2+ 48. Kd1 Qb1+ 49. Qc1 Qb5 50. Re1 Ra8 51. Re3 Ra1 52. Qxa1 Bxa1 (-6.58 @ 24 depth, Deep Fritz 14).

Dec-24-15		Ulhumbrus: After 16...0-0 IM Sagar Shah says (amongst other things - here is a link to the chessbase webpage: http://en.chessbase.com/post/qatar-... ) that Black has prospects of a queen side pawn storm. Black's pawn on h6 however invites the pawn attack g4 and g5. This suggests that the move 17 f4? is a serious mistake if it hinders White's plan of g4 and g5 while Black is able to advance his queen side pawns without hindrance. This is what happens. In addition to this the move 22 c3? disturbs the queen side pawns without necessity and provides Black's b pawn with a target for the pawn attack ...b4. This may be White's second mistake After this White continues to omit - or to neglect - to try to advnce his h and g pawns while Black carries out this queen side pawn attack, and at the end of the game White's h and g pawns have not advanced by a single step. One thing that all this suggests that instead of 17 f4? a better alternative is 17 h4! getting ready for the pawn attack g4 and g5.

Dec-24-15		gokusano: Great job by Carlsen.

Dec-24-15		beenthere240: Playing through the game, it starts off like a typical castle on opposite side pawn storm battle. But f4 followed by EF and Rxe4, led only to white's rather pathetic grab of the f7 pawn. I suspect that Duda learned a great deal from the game. I hope he had a chance to do some postgame analysis with Carlsen.

Dec-24-15		patzer2: <Ulhumbrus> By White's 17th move, Black already has a slightly better position and I'm not so sure 17. h4 does much to improve the position for White. Looking for an opening improvement, instead of 8. Bg5, my preference would be to play the far more popular 8. 0-0, keeping the dark square Bishop in reserve, as in White's recent win in J C Schroeder vs J Kramer, 2015.

Dec-24-15		patzer2: The suggestion 12. a3, mentioned in the game analysis at http://en.chessbase.com/post/qatar-..., improves over 12. Nd5?!

Dec-26-15		Pedro Fernandez: Carlsen is too strong for this good young GM.

Dec-27-15		tessathedog: Great comments from Ulhumbris. Very instructive. Thanks.

Dec-31-15		yurikvelo: http://pastebin.com/0Zmg3bE8 this game multiPV <patzer2> "The clearly decisive error was 38. Rc1?," Decisive was 32.a3 and 34.Ka2 blunders. By move 38 game was decided and 38.Rc1 only shortened pain

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